nghttp2_stream: flags is now nghttp2_stream_flags

We use this flag to know whether it is pushed or not

lib/nghttp2_session.c

@@ -1150,7 +1150,7 @@ static ssize_t nghttp2_session_prep_frame(nghttp2_session *session,
         aux_data = (nghttp2_headers_aux_data*)item->aux_data;
         if(nghttp2_session_open_stream
            (session, frame->hd.stream_id,
-            frame->hd.flags,
+            NGHTTP2_STREAM_FLAG_NONE,
             frame->headers.pri,
             NGHTTP2_STREAM_INITIAL,
             aux_data ? aux_data->stream_user_data : NULL) == NULL) {
@@ -1232,7 +1232,7 @@ static ssize_t nghttp2_session_prep_frame(nghttp2_session *session,
       assert(stream);
       if(nghttp2_session_open_stream
          (session, frame->push_promise.promised_stream_id,
-          frame->hd.flags,
+          NGHTTP2_STREAM_FLAG_PUSH,
           nghttp2_pushed_stream_pri(stream),
           NGHTTP2_STREAM_RESERVED,
           NULL) == NULL) {
@@ -1941,7 +1941,7 @@ int nghttp2_session_on_request_headers_received(nghttp2_session *session,
 
   stream = nghttp2_session_open_stream(session,
                                        frame->hd.stream_id,
-                                       frame->hd.flags,
+                                       NGHTTP2_STREAM_FLAG_NONE,
                                        frame->headers.pri,
                                        NGHTTP2_STREAM_OPENING,
                                        NULL);
@@ -2628,7 +2628,7 @@ int nghttp2_session_on_push_promise_received(nghttp2_session *session,
   promised_stream = nghttp2_session_open_stream
     (session,
      frame->push_promise.promised_stream_id,
-     frame->hd.flags,
+     NGHTTP2_STREAM_FLAG_PUSH,
      nghttp2_pushed_stream_pri(stream),
      NGHTTP2_STREAM_RESERVED,
      NULL);
@@ -3788,7 +3788,7 @@ int nghttp2_session_upgrade(nghttp2_session *session,
   if(rv != 0) {
     return rv;
   }
-  stream = nghttp2_session_open_stream(session, 1, NGHTTP2_FLAG_END_STREAM,
+  stream = nghttp2_session_open_stream(session, 1, NGHTTP2_STREAM_FLAG_NONE,
                                        0, NGHTTP2_STREAM_OPENING,
                                        session->server ?
                                        NULL : stream_user_data);

lib/nghttp2_stream.h

@@ -72,6 +72,12 @@ typedef enum {
   NGHTTP2_SHUT_RDWR = NGHTTP2_SHUT_RD | NGHTTP2_SHUT_WR
 } nghttp2_shut_flag;
 
+typedef enum {
+  NGHTTP2_STREAM_FLAG_NONE = 0,
+  /* Indicates that this stream is pushed stream */
+  NGHTTP2_STREAM_FLAG_PUSH = 0x01
+} nghttp2_stream_flag;
+
 typedef enum {
   NGHTTP2_DEFERRED_NONE = 0,
   /* Indicates the DATA is deferred due to flow control. */
@@ -104,7 +110,7 @@ typedef struct {
      submitting WINDOW_UPDATE. See nghttp2_submit_window_update(). */
   int32_t local_window_size;
   nghttp2_stream_state state;
-  /* Use same value in SYN_STREAM frame */
+  /* This is bitwise-OR of 0 or more of nghttp2_stream_flag. */
   uint8_t flags;
   /* Bitwise OR of zero or more nghttp2_shut_flag values */
   uint8_t shut_flags;